soc: rockchip: power-domain: add pm_domains.h

Change-Id: I889a7da10605e70af635e8b7fac26bf26fe6506f
Signed-off-by: Tao Huang <huangtao@rock-chips.com>

Author: rkhuangtao

drivers/soc/rockchip/pm_domains.c

@@ -19,6 +19,7 @@
 #include <linux/clk.h>
 #include <linux/regmap.h>
 #include <linux/mfd/syscon.h>
+#include <soc/rockchip/pm_domains.h>
 #include <dt-bindings/power/px30-power.h>
 #include <dt-bindings/power/rk3036-power.h>
 #include <dt-bindings/power/rk3128-power.h>

include/soc/rockchip/pm_domains.h

@@ -0,0 +1,42 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __SOC_ROCKCHIP_PM_DOMAINS_H
+#define __SOC_ROCKCHIP_PM_DOMAINS_H
+
+#include <linux/errno.h>
+
+struct devfreq;
+struct device;
+
+#ifdef CONFIG_ROCKCHIP_PM_DOMAINS
+int rockchip_pmu_idle_request(struct device *dev, bool idle);
+int rockchip_save_qos(struct device *dev);
+int rockchip_restore_qos(struct device *dev);
+int rockchip_pm_register_notify_to_dmc(struct devfreq *devfreq);
+void rockchip_dump_pmu(void);
+#else
+static inline int rockchip_pmu_idle_request(struct device *dev, bool idle)
+{
+	return -ENOTSUPP;
+}
+
+static inline int rockchip_save_qos(struct device *dev)
+{
+	return -ENOTSUPP;
+}
+
+static inline int rockchip_restore_qos(struct device *dev)
+{
+	return -ENOTSUPP;
+}
+
+static inline int rockchip_pm_register_notify_to_dmc(struct devfreq *devfreq)
+{
+	return -ENOTSUPP;
+}
+
+static inline void rockchip_dump_pmu(void)
+{
+}
+#endif
+
+#endif